Every year, Google holds one of the most impressive science fairs in the world (along with Intel's). This year, teenagers from 120 countries submitted amazing projects--projects to diagnose diseases, to make smartphones do amazing new things, to create exoskeletons, and many more. Three winners, one from each of three age groups, were selected at Google headquarters in California.

 

 http://www.popsci.com/article/science/google-science-fair-winners-are-some-amazing-kids?dom=PSC&loc=recent&lnk=8&con=google-science-fair-winners-are-some-amazing-kids